#Facebook is extremely meticulous about what content the public should see. Close watchers of the social media site know that most of the time you only see around 6 percent of what your friends post. For organizations who want their followers to see their posts, it’s even less. But most users don’t know this is happening. As Alexis Madrigal explained, more than 60 percent of users in one study “had no idea that there even was a filtering algorithm, let alone one that looks at more than a thousand data signals to determine what to show a user.”